20175456

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4289}}^1$

素因数の和:4316

約数の個数: 72

約数和(自身を含む): 61621560

約数和(自身を除く): 41446104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4289, 4704, 8578, 12867, 17156, 25734, 30023, 34312, 51468, 60046, 68624, 90069, 102936, 120092, 137248, 180138, 205872, 210161, 240184, 360276, 411744, 420322, 480368, 630483, 720552, 840644, 960736, 1260966, 1441104, 1681288, 2521932, 2882208, 3362576, 5043864, 6725152, 10087728, 20175456]

約数ペア:

[(1, 20175456), (2, 10087728), (3, 6725152), (4, 5043864), (6, 3362576), (7, 2882208), (8, 2521932), (12, 1681288), (14, 1441104), (16, 1260966), (21, 960736), (24, 840644), (28, 720552), (32, 630483), (42, 480368), (48, 420322), (49, 411744), (56, 360276), (84, 240184), (96, 210161), (98, 205872), (112, 180138), (147, 137248), (168, 120092), (196, 102936), (224, 90069), (294, 68624), (336, 60046), (392, 51468), (588, 34312), (672, 30023), (784, 25734), (1176, 17156), (1568, 12867), (2352, 8578), (4289, 4704)]